S-89430A Datasheet, PDF (6/23 Pages) Seiko Instruments Inc – MINI ANALOG SERIES 0.5 μA Rail-to-Rail CMOS OPERATIONAL AMPLIFIER

MINI ANALOG SERIES 0.5 μA Rail-to-Rail CMOS OPERATIONAL AMPLIFIER
S-89430A/89431A
Rev.5.1_00
2. V_DD = 1.8 V
Table 7
DC Characteristics (V_DD = 1.8 V)
Parameter
Symbol Measurement Conditions
Current consumption^*1
Input offset voltage
Input offset current
Input bias current
Common-mode input
voltage range
I_DD
V_IO
I_IO
I_BIAS
V_CMR
V_CMR = V_OUT = 0.9 V
S-89430A : V_CMR = 0.9V
S-89431A : V_CMR = 0.9V
⎯
⎯
⎯
(Ta = 25°C unless otherwise specified)
Min.
Typ.
Max.
Unit
Measurement
Circuit
⎯ 0.5 0.9 μA Figure 12
−10 ±5 +10 _mV
−5 ±3 +5
Figure 8
⎯ 1 ⎯ pA
⎯
⎯ 1 ⎯ pA
⎯
0 ⎯ 1.8 V Figure 9
Voltage gain
(open loop)
A_VOL
V_SS + 0.1 V ≤ V_OUT ≤ V_DD − 0.1 V,
V_CMR = 0.9 V, R_L = 1 MΩ
66
75
⎯ dB
Maximum output
swing voltage
V_OH R_L = 100 KΩ
V_OL R_L = 100 KΩ
1.75
⎯
⎯
⎯
⎯
0.05
V
Common-mode input
signal rejection ratio
CMRR ^{VSS ≤ VCMR ≤ VDD}
V_SS ≤ V_CMR ≤ V_DD − 0.3 V
35
45
55
60
⎯
⎯
dB
Power supply voltage
rejection ratio
PSRR V_DD = 0.9 to 5.5 V
70 80 ⎯ dB
Figure 16
Figure 10
Figure 11
Figure 9
Figure 7
Source current
Sink current
I_SOURCE
I_SINK
V_OUT = V_DD − 0.1 V
V_OUT = 0 V
V_OUT = 0.1 V
V_OUT = V_DD
220 300
1200 1800
⎯
⎯
μA
220 300
1200 1800
⎯
⎯
μA
Figure 13
Figure 14
*1. When the output is saturated on the V_DD side, a current consumption of up to 3 to 5 μA may flow.
(Refer to 4. Current consumption vs. Common-mode input voltage characteristics graphs in the
characteristics data. )
AC Characteristics (V_DD = 1.8 V)
Parameter
Symbol
Slew rate
SR
Gain-bandwidth product
Maximum load capacitance
GBP
C_L
Table 8
(Ta = 25°C unless otherwise specified)
Measurement Conditions Min. Typ. Max. Unit
R_L = 1.0 MΩ, C_L = 15 pF
(Refer to Figure 15.)
⎯
4.5
⎯ V/ms
C_L = 0 pF
⎯
⎯
5
⎯ kHz
⎯
47
⎯
pF
6
Seiko Instruments Inc.